Ken Griffin’s BlackRock MuniYield Quality Fund III MYI Stock Holding History

Ken Griffin’s Portfolio MYI Stock Details MYI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$109K	Sell	10,395 -7,809	-43%	-$86.1K	﹤0.01%	11927
2025 Q4	$198K	Buy	+18,204	New	+$200K	﹤0.01%	11053
2025 Q1	–	Sell	-11,831	Closed	-$131K	–	15212
2024 Q4	$131K	Buy	+11,831	New	+$135K	﹤0.01%	11085
2023 Q1	–	Sell	-10,251	Closed	-$115K	–	15204
2022 Q4	$115K	Buy	+10,251	New	+$109K	﹤0.01%	11023
2017 Q4	–	Sell	-17,937	Closed	-$257K	–	8267
2017 Q3	$257K	Buy	+17,937	New	+$260K	﹤0.01%	6306

Other funds holding MYI

KIM

Karpus Investment Management Pittsford, New York $3.21B AUM 6.83% 1-Year Est. Return

RCM

Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.79% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

SIA

Sit Investment Associates Minneapolis, Minnesota $5.28B AUM 14.42% 1-Year Est. Return

Guggenheim Capital Chicago, Illinois $12.9B AUM 27.3% 1-Year Est. Return

RCM

Robinson Capital Management Grosse Pointe Farms, Michigan $226M AUM 6.92% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Stifel Financial St. Louis, Missouri $109B AUM 21.36% 1-Year Est. Return

AAM

Advisors Asset Management Monument, Colorado $6.01B AUM 24.74% 1-Year Est. Return

Ken Griffin's MYI Position: Q1 2026 in Review

Ken Griffin reduced its BlackRock MuniYield Quality Fund III (MYI) stake by 43% in Q1 2026, selling an estimated $86.1K and leaving 10,395 shares worth $109K. The position accounts for ﹤0.01% of the portfolio, ranked #11927.

Ken Griffin first reported a position in MYI in Q3 2017 and has held it in 5 quarters since. The position peaked at $257K in Q3 2017. 152 funds tracked by Wall St. Rank hold MYI as of Q1 2026.

Ken Griffin held 10,395 shares of BlackRock MuniYield Quality Fund III worth $109K as of Q1 2026.
Ken Griffin sold 7,809 BlackRock MuniYield Quality Fund III shares in Q1 2026, an estimated $86.1K.
BlackRock MuniYield Quality Fund III made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #11927 holding.
Ken Griffin first reported a position in BlackRock MuniYield Quality Fund III in Q3 2017 and has held it in 5 quarters since.
Ken Griffin's BlackRock MuniYield Quality Fund III position peaked at $257K in Q3 2017.
152 funds tracked by Wall St. Rank held BlackRock MuniYield Quality Fund III as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.